Speedy Jim wrote:
wrote:
I know this is a thin slice but, I am doing a research project that
involves octagonal electrical junction boxes. Does anyone know when
these boxes were first used in America?
SNIP
As a followup, I found reference to "round" ceiling boxes
prior to 1917. These were deep-drawn steel, one piece.
The objection to them was that fittings didn't sit flush
with the box sidewall, so the octagon was used afterward.
Jim